From: Sameer Pujar <spujar@nvidia.com> To: <broonie@kernel.org>, <lgirdwood@gmail.com>, <robh+dt@kernel.org>, <kuninori.morimoto.gx@renesas.com>, <pierre-louis.bossart@linux.intel.com>, <perex@perex.cz>, <tiwai@suse.com>, <p.zabel@pengutronix.de>, <thierry.reding@gmail.com>, <jonathanh@nvidia.com> Cc: <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <sharadg@nvidia.com>, <mkumard@nvidia.com>, <viswanathl@nvidia.com>, <rlokhande@nvidia.com>, <dramesh@nvidia.com>, <atalambedu@nvidia.com>, <nwartikar@nvidia.com>, <swarren@nvidia.com>, <nicoleotsuka@gmail.com>, Sameer Pujar <spujar@nvidia.com> Subject: [PATCH v4 05/15] ASoC: audio-graph: Support empty Codec endpoint Date: Fri, 16 Oct 2020 20:12:52 +0530 [thread overview] Message-ID: <1602859382-19505-6-git-send-email-spujar@nvidia.com> (raw) In-Reply-To: <1602859382-19505-1-git-send-email-spujar@nvidia.com> For open platforms, which can support pluggable audio cards, Codec endpoint is not fixed always. It actually depends on the compatible HW module that is going to be connected. From SoC side the given I/O interface is always available. Hence such links have fixed CPU endpoint but no Codec endpoint. This patch helps to support such links where user can populate Codec endpoint only and its fields in Platform DT depending on the plugged HW. Signed-off-by: Sameer Pujar <spujar@nvidia.com> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> --- sound/soc/generic/audio-graph-card.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 9b06841..0ba50be9 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -229,6 +229,14 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, struct snd_soc_dai_link_component *codecs = dai_link->codecs; int ret; + /* + * Codec endpoint can be NULL for pluggable audio HW. + * Platform DT can populate the Codec endpoint depending on the + * plugged HW. + */ + if (!li->cpu && !codec_ep) + return 0; + /* Do it all CPU endpoint, and 1st Codec endpoint */ if (!li->cpu && dup_codec) return 0; @@ -565,7 +573,7 @@ static int graph_count_dpcm(struct asoc_simple_priv *priv, li->link++; /* 1xCPU-dummy */ li->dais++; /* 1xCPU */ - if (!dup_codec) { + if (!dup_codec && codec_ep) { li->link++; /* 1xdummy-Codec */ li->conf++; /* 1xdummy-Codec */ li->dais++; /* 1xCodec */ -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Sameer Pujar <spujar@nvidia.com> To: <broonie@kernel.org>, <lgirdwood@gmail.com>, <robh+dt@kernel.org>, <kuninori.morimoto.gx@renesas.com>, <pierre-louis.bossart@linux.intel.com>, <perex@perex.cz>, <tiwai@suse.com>, <p.zabel@pengutronix.de>, <thierry.reding@gmail.com>, <jonathanh@nvidia.com> Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, nicoleotsuka@gmail.com, swarren@nvidia.com, Sameer Pujar <spujar@nvidia.com>, linux-kernel@vger.kernel.org, atalambedu@nvidia.com, viswanathl@nvidia.com, sharadg@nvidia.com, nwartikar@nvidia.com, linux-tegra@vger.kernel.org, rlokhande@nvidia.com, mkumard@nvidia.com, dramesh@nvidia.com Subject: [PATCH v4 05/15] ASoC: audio-graph: Support empty Codec endpoint Date: Fri, 16 Oct 2020 20:12:52 +0530 [thread overview] Message-ID: <1602859382-19505-6-git-send-email-spujar@nvidia.com> (raw) In-Reply-To: <1602859382-19505-1-git-send-email-spujar@nvidia.com> For open platforms, which can support pluggable audio cards, Codec endpoint is not fixed always. It actually depends on the compatible HW module that is going to be connected. From SoC side the given I/O interface is always available. Hence such links have fixed CPU endpoint but no Codec endpoint. This patch helps to support such links where user can populate Codec endpoint only and its fields in Platform DT depending on the plugged HW. Signed-off-by: Sameer Pujar <spujar@nvidia.com> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> --- sound/soc/generic/audio-graph-card.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 9b06841..0ba50be9 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -229,6 +229,14 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, struct snd_soc_dai_link_component *codecs = dai_link->codecs; int ret; + /* + * Codec endpoint can be NULL for pluggable audio HW. + * Platform DT can populate the Codec endpoint depending on the + * plugged HW. + */ + if (!li->cpu && !codec_ep) + return 0; + /* Do it all CPU endpoint, and 1st Codec endpoint */ if (!li->cpu && dup_codec) return 0; @@ -565,7 +573,7 @@ static int graph_count_dpcm(struct asoc_simple_priv *priv, li->link++; /* 1xCPU-dummy */ li->dais++; /* 1xCPU */ - if (!dup_codec) { + if (!dup_codec && codec_ep) { li->link++; /* 1xdummy-Codec */ li->conf++; /* 1xdummy-Codec */ li->dais++; /* 1xCodec */ -- 2.7.4
next prev parent reply other threads:[~2020-10-16 14:44 UTC|newest] Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-16 14:42 [PATCH v4 00/15] Audio graph card updates and usage with Tegra210 audio Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 01/15] ASoC: soc-core: Fix component name_prefix parsing Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 02/15] ASoC: soc-pcm: Get all BEs along DAPM path Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 03/15] ASoC: audio-graph: Use of_node and DAI for DPCM DAI link names Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 04/15] ASoC: audio-graph: Identify 'no_pcm' DAI links for DPCM Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar [this message] 2020-10-16 14:42 ` [PATCH v4 05/15] ASoC: audio-graph: Support empty Codec endpoint Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 06/15] ASoC: audio-graph: Expose new members for asoc_simple_priv Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 07/15] ASoC: audio-graph: Expose helpers from audio graph Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 08/15] Documentation: of: Convert graph bindings to json-schema Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-19 21:56 ` Rob Herring 2020-10-19 21:56 ` Rob Herring 2020-10-20 5:34 ` Sameer Pujar 2020-10-20 5:34 ` Sameer Pujar 2020-10-20 8:30 ` Philipp Zabel 2020-10-20 8:30 ` Philipp Zabel 2020-10-23 13:45 ` Sameer Pujar 2020-10-23 13:45 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 09/15] ASoC: dt-bindings: audio-graph: Convert " Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-19 2:50 ` Kuninori Morimoto 2020-10-19 2:50 ` Kuninori Morimoto 2020-10-19 4:30 ` Sameer Pujar 2020-10-19 4:30 ` Sameer Pujar 2020-10-19 4:41 ` Kuninori Morimoto 2020-10-19 4:41 ` Kuninori Morimoto 2020-10-19 22:11 ` Rob Herring 2020-10-19 22:11 ` Rob Herring 2020-10-16 14:42 ` [PATCH v4 10/15] ASoC: dt-bindings: tegra: Add graph bindings Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-19 22:11 ` Rob Herring 2020-10-19 22:11 ` Rob Herring 2020-10-20 6:03 ` Sameer Pujar 2020-10-20 6:03 ` Sameer Pujar 2020-10-16 14:42 ` [PATCH v4 11/15] ASoC: dt-bindings: tegra: Add json-schema for Tegra audio graph card Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-19 22:16 ` Rob Herring 2020-10-19 22:16 ` Rob Herring 2020-10-20 6:16 ` Sameer Pujar 2020-10-20 6:16 ` Sameer Pujar 2020-10-20 13:24 ` Rob Herring 2020-10-20 13:24 ` Rob Herring 2020-10-16 14:42 ` [PATCH v4 12/15] ASoC: tegra: Add audio graph based card driver Sameer Pujar 2020-10-16 14:42 ` Sameer Pujar 2020-10-16 14:43 ` [PATCH v4 13/15] arm64: defconfig: Enable Tegra audio graph " Sameer Pujar 2020-10-16 14:43 ` Sameer Pujar 2020-10-16 14:43 ` [PATCH v4 14/15] arm64: tegra: Audio graph header for Tegra210 Sameer Pujar 2020-10-16 14:43 ` Sameer Pujar 2020-10-16 14:43 ` [PATCH v4 15/15] arm64: tegra: Audio graph sound card for Jetson Nano and TX1 Sameer Pujar 2020-10-16 14:43 ` Sameer Pujar 2020-10-30 6:34 ` [PATCH v4 00/15] Audio graph card updates and usage with Tegra210 audio Sameer Pujar 2020-10-30 6:34 ` Sameer Pujar 2020-10-30 13:58 ` Mark Brown 2020-10-30 13:58 ` Mark Brown
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